INDEX. 
Onghtred (Win.) of fpecific Gravities, n. 488, p. 423. 
Oxford Society , of fpecific Gravities, n . 488, p. 425. 
P. 
Par aquaria varies Obf. aflrommic s habits d PP. Soc. Jefu, 
n. 490, p. 66 y , 674. 
Paris , two Parafelene s obf. there, Obf. 20, 1747- N. 0. 
by Mr. G rife how, n. 489, />. 524. 
Parfons (James) M. D. Obf. on certain Shell-fifh lodged 
in a large Stone from Mahon Harbour, n. 485, 44. 
of a preternatural Conjunction of two 
Female Children, n. 489, p. 52 6 . 
Pearls , their fpecific Gravity, n. 488, p. 464. 
Pearl-ajhes , what, n. 489, p. 545, 558. 
Perrine (John) his Wife, a monftrous Child, n. 487, 
p. 32 5. 
Perfpiration , infenfible, increafed by Electricity, n. 48G 
p. 190. 
Petit ( Petrus ) of fpecific Gravities, 0/488, p. 424. 
Phial , a glafs, full of Water, well-cork/d with a Wire 
in it, its E fie els in Electricity, n. 481, p. 2 53. 
filled with Iron Filings, and coated with 
Sheet-Lead, its Effects in Electricity, n. 485, p. 53. 
Pholades , a fort of Shell-fifh, n. 485, p. 44. 
Pivati (Job. Francifcus ) Experimenta eledrica medic a , 
485, p. 2 63. 
Phnius de Marmotis , n. 48 < 5 , p. 184. 
• — of the different Weights of fome Grain, n. 488, 
p. 418. 
Pocccke (Richard) LL. D. of the Giants Caufeway in 
Ireland , n. 485, p. 124. 
Poifon , a poifonous Root found among Gentian , n. 4 8 < 5 , 
p. 240. 
Poliniacus (Cardinalis) de murihus Alpinis Bobac, n. 485, 
p. 185. 
Pc/ (Mr.) poifoned with a Root among Gentian , n. 4 8<5, 
"p. 241. 
Pot- aft; , of the various Kinds, by Dr. Mitchell , 0. 489, 
P- 54 L 558 - 
Preferring 
